(1) Either party to a contract of employment may terminate the contract on the expiration of notice given by him to the other party of his intention to do so.
(2) The notice to be given for the purposes of subsection (1) of this section shall be-
(a) one day, where the contract has continued for a period of three months or less;
(b) one week, where the contract has continued for more than three months but less than two years;
(c) two weeks, where the contract has continued for a period of two years but less than five years; and
(d) one month, where the contract has continued for five years or more.
(3) Any notice for a period of one week or more shall be in writing.
(4) The periods of notice specified in subsection (2) of this section exclude the day on which notice is given.
(5) Nothing in this section affects any right of either party to a contract to treat the contract as terminable without notice by reason of such conduct by the other party as would have enabled him so to treat it before the making of this Act.
(6) Nothing in this section shall prevent either party to a contract from waiving his right to notice on any occasion, or from accepting a payment in lieu of notice.
(7) All wages payable in money shall be paid on or before the expiry of any period of notice.
(8) If an employer gives notice to terminate the contract of employment of a worker who has been continuously employed for three months or more, the employer shall not be liable under this section to make any payment in respect of a period during which the worker is absent from work with the leave of the employer granted at the request of the worker.
(9) In the calculation of .a payment in lieu of notice, only that part of the wages which a worker receives in money, exclusive of overtime and other allowances, shall be taken into account.
Section 11 of the Labour Act in Nigeria